Three specific reasons to support Twitter as a useful tool in an educational context. A micro and macro perspective:
Hashtags can be utilized to target a specific audience.
Micro - Students enrolled in a course
Macro - All who are interested in the same topic, field, industry.
Hashtags can be utilized to manage specific information.
Micro - Query course content, course discussion thread
Macro - Query relevant topics in a specific field, industry, and query discussion threads in a specific topic, field or industry.
Social and professional networking to acquire new knowledge about educational technology and trends.
Micro – build learning community amongst students and instructor
Macro – expand your reach by networking with others interested in the same topics, field, or industry to acquire more and new knowledge